&control
    calculation = 'relax'
    restart_mode='from_scratch',
    prefix='silicon',
    tstress = .true.
    tprnfor = .true.
    pseudo_dir = '/home/Mohaddeseh/Desktop/pseudo/',
    outdir='/home/Mohaddeseh/tmp/'
 /
 &system
    ibrav=  2, celldm(1) =10.57, nat=  2, ntyp= 1,
    ecutwfc =18.0, nosym=.true.,
 /
 &electrons
    diagonalization='cg'
    mixing_mode = 'plain'
    mixing_beta = 0.7
    conv_thr =  1.0d-8
 /
&IONS
    ion_dynamics='damp',
    upscale=20,
    pot_extrapolation='second-order',
    wfc_extrapolation='second-order',
/
ATOMIC_SPECIES
 Si  28.086  Si_CASINO.pp.data.UPF
ATOMIC_POSITIONS
 Si 0.125 0.125 0.125
 Si -0.125 -0.125 -0.125
K_POINTS {automatic}
 1  1  1  1  1  1